If you are looking for a new Windows 10 Mobile device, the Lumia 550 is undoubtedly the cheapest way you can get your hands on a Windows 10 Mobile. Microsoft is currently selling the unlocked handset for only $99, and to sweeten the deal is now also throwing in a T-Mobile SIM Activation Kit, which offers a prepaid 3-in-1 SIM kit with 40 minutes of airtime. The SIM kit will automatically be added to your cart when you add the Lumia 550.

In case you don’t know, here are the specs of the Lumia 550:

4.7-inch LCD with HD (1280x720px) resolution

Quad-core 1.1GHz Qualcomm Snapdragon 210 processor

1GB RAM

8GB onboard storage (plus microSD card support up to 200GB)

5MP rear camera with auto-focus and LED flash (720p video recording at 30fps)